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bgs gcse biology unit 1 > Nutrition > Flashcards

Nutrition Flashcards

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1
Q

What food test is used for testing reducing sugar?

A

Benedicts

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2
Q

What food test is used for testing starch?

A

Iodine

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3
Q

What food test is used for testing for protein?

A

Biuret

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4
Q

What food test is used for testig for fats?

A

Ethanol

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5
Q

What is a positive colour change for testing for sugar?

A

Blue to brick red precipitate

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6
Q

What is a positive colour change for testing for starch?

A

Yellow-brown to blue-black

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7
Q

What is a positive colour change for testing for fats?

A

Colourless to white emulsion

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8
Q

What is a positive colour change for testing for protein?

A

Blue to purple/lilac

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9
Q

What is the only food test that requires heat?

A

Benedicts test

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10
Q

What elements are carbohydrates made from?

A

Carbon, hydrogen and oxygen

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11
Q

What elements are fats made from?

A

Carbon, hydrogen and oxygen

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12
Q

What elements are proteins made from?

A

Carbon, hydrogen, oxygen and nitrogen

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13
Q

What is the function of carbohydrates?

A
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14
Q

What is the function of proteins?

A
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15
Q

What is the function of fats?

A
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16
Q

What can carbohydrates be broken down into?

A
17
Q

What can fats be broken down into?

A
18
Q
A
19
Q
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20
Q
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21
Q
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22
Q
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23
Q
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24
Q
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25
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bgs gcse biology unit 1 (7 decks)

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